GPIO connectors
3.
These terminal blocks allow setup of external control and monitoring devices through configurable and
protected General Purpose Inputs and Outputs. See dedicated GPIO chapter for details.
Note:
the GPIO port is managed by configuration software only.
Serial port
4.
RS232 interface on DB9.
Note:
The RS232 serial port management requires specific software.
Word clock synchronization
5.
Two female BNC connectors , 'Word Clock In' and 'Word Clock Out', allow synchronization with an
external clock. For more details see the corresponding chapter.
Ground
6.
Connect this ground bolt to the chassis of the mounting rack for a better grounding of the electronics, thus
ensuring immunity to electromagnetic interference.
Power supply
7.
Power plug MUST be earthed properly.
EtherSound ES881, ES1241 & ES16161
Ethernet Audio Bridges
7